Video: When you're about to give a presentation or have a difficult conversation, your body might respond in the least helpful way ever: by getting nervous. This video offers a ton of helpful tips on how to deal with a nervous response.

If you tremble when you think of giving a speech, you're not alone. It's normal. Just thinking about it makes me shudder inside -- and I've spent 18 years giving talks. Here's what I've learned over the years to bust my fear of public speaking.